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Command: SelectSaver | Section: 3p | Source: OpenBSD | File: SelectSaver.3p
SelectSaver(3p) Perl Programmers Reference Guide SelectSaver(3p)
NAME
SelectSaver - save and restore selected file handle
SYNOPSIS
use SelectSaver;
{
my $saver = SelectSaver->new(FILEHANDLE);
# FILEHANDLE is selected
}
# previous handle is selected
{
my $saver = SelectSaver->new;
# new handle may be selected, or not
}
# previous handle is selected
DESCRIPTION
A "SelectSaver" object contains a reference to the file handle that was
selected when it was created. If its "new" method gets an extra
parameter, then that parameter is selected; otherwise, the selected
file handle remains unchanged.
When a "SelectSaver" is destroyed, it re-selects the file handle that
was selected when it was created.
perl v5.40.1 2009-10-12 SelectSaver(3p)